<h3>1.描述</h3>
<p>按钮标志，兼容10.1.2版本之前用法</p>
<h3>2.示例</h3>
<p>(2.1)单选按钮组测试</p>
<ti-button-group minWidth="100px" [items]="values" [(ngModel)]="selected"></ti-button-group>
<p>选中项：{{selected | json}}</p>
<style>
  .buttongroup-sold-out {
    background-color: #adb0b8;
    border-radius: 2px;
  }

  .buttongroup-discount-icon {
    background-color: #fa9841;
    border-radius: 2px;
  }

  .buttongroup-discount-text {
    padding: 0 4px;
    background-color: #fa9841;
    border-top-left-radius: 4px;
    border-bottom-right-radius: 4px;
  }
</style>
